What is HTML validator? - Definition from WhatIs.com
Part of the Internet technologies glossary:

An HTML validator is a quality assurance program used to check Hypertext Markup Language ( HTML ) markup elements for syntax errors. A validator can be a useful tool for an HTML user who receives data electronically from a variety of input sources. Syntax errors, such as open tags, extra spaces, or forgotten quotation marks, can cause a Web page to look drastically different than the creator intended, or render correctly in one browser , but not in another. Verifying the integrity of HTML elements manually is repetitive and tedious work; it becomes even more complicated when different sets of validation rules, such as those for cascading style sheets ( CSS ) and Extensible Markup Language ( XML ) are included in the page. By using a validation program to systematically flag errors, the HTML user can choose whether to correct code mistakes on a case-by-case basis or correct them globally by using a "find and replace" mechanism within the program.

This was last updated in September 2005
Posted by: Margaret Rouse

Related Terms

Definitions

  • enterprise search

    - There are a number of kinds of enterprise search including local installations, hosted versions, and search appliances, sometimes called “search in a box.” Each has relative advantages and disadvan... (WhatIs.com)

  • cloud computing

    - What is cloud computing? To understand cloud computing, examine public, private and hybrid cloud, as well as PaaS, SaaS and IaaS cloud models. (searchCloudComputing.com)

  • IFrame (Inline Frame)

    - The IFrame HTML element is often used to insert content from another source, such as an advertisement, into a Web page. Although an IFrame behaves like an inline image, it can be configured with it... (WhatIs.com)

Glossaries

  • Internet technologies

    - This WhatIs.com glossary contains terms related to Internet technologies, including definitions about port numbers, standards and protocols and words and phrases about how the Internet works.

  • Internet applications

    - This WhatIs.com glossary contains terms related to Internet applications, including definitions about Software as a Service (SaaS) delivery models and words and phrases about web sites, e-commerce ...

Ask a Question. Find an Answer.Powered by ITKnowledgeExchange.com

Ask An IT Question

Get answers from your peers on your most technical challenges

Ask Question

Tech TalkComment

Share
Comments

    Results

    Contribute to the conversation

    All fields are required. Comments will appear at the bottom of the article.